Contact Us
Have questions, feedback, or found a bug? We'd love to hear from you.
What You Can Reach Us About
Found an issue with a calculator? Let us know which calculator, what you entered, and what went wrong.
Have an idea for a new calculator or improvement? We welcome suggestions from the woodworking community.
Questions about how to use our tools, accuracy of calculations, or anything else — just ask.
Questions about your data or our privacy practices. See our Privacy Policy for details.
Frequently Asked Questions
Are the calculators free to use?
Yes, all 55+ calculators are completely free. No registration or payment required.
How accurate are the calculations?
Our calculators use industry-standard formulas. However, always verify critical calculations independently.
Can I use these for commercial projects?
Yes, our calculators can be used for both personal and commercial woodworking projects.
Do you offer mobile apps?
Currently, our calculators are web-based and optimized for mobile browsers — no download needed.